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Question: need help with all the parts thanks for your time...

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need help with all the parts thanks for your time

(5pt) 1. Consider the linear system and perform each of the following tasks (a) Using pencil and paper calculations, write the augmented matrix for this system. (b) Using pencil and paper calculations, use elementary row operations to put the matrix in row echelon form (not row reduced echelon form). (c) Using pencil and paper calculations, write the system represented by the row echelon matrix in part (b), then use back substitution to find the solution for x, y, and z (5pta) 2. Consider the matrix and perform each of the following tasks to find the inverse of matrix A. (a) Using pencil and paper calculations, set up the augmented matrix I A | I], then use elementary row operations to put it in the form [ 1 | A-1 ] to determine the inverse of matrix A. (b) Use pencil and paper calculations to verify that you have found the inverse by showing that AA I.

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